大约有 13,108 项符合查询结果(耗时:0.0112秒) [XML]

https://stackoverflow.com/ques... 

Android: install .apk programmatically [duplicate]

...s correct now, my auto-update is working. Thanks for help. =) Edit 20.7.2016: After a long time, I had to use this way of updating again in another project. I encountered a number of problems with old solution. A lot of things have changed in that time, so I had to do this with a different approa...
https://stackoverflow.com/ques... 

Correctly determine if date string is a valid date in that format

...t. Originally written by Glavić.] Test cases: var_dump(validateDate('2013-13-01')); // false var_dump(validateDate('20132-13-01')); // false var_dump(validateDate('2013-11-32')); // false var_dump(validateDate('2012-2-25')); // false var_dump(validateDate('2013-12-01')); // true var_dump(v...
https://stackoverflow.com/ques... 

Why are these numbers not equal?

... really thinks in decimal: sprintf("%.54f",1.1-0.2) #[1] "0.900000000000000133226762955018784850835800170898437500" sprintf("%.54f",0.9) #[1] "0.900000000000000022204460492503130808472633361816406250" You can see these numbers are different, but the representation is a bit unwieldy. If we look a...
https://stackoverflow.com/ques... 

In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?

...otal of 8 bytes. As TIMESTAMP only stores the number of seconds since 1970-01-01, it uses 4 bytes. You can read more about the differences between time formats in MySQL here. In the end, it comes down to what you need your date/time column to do. Do you need to store dates and times before 1970 or...
https://stackoverflow.com/ques... 

In Python, how do you convert a `datetime` object to seconds?

... non-POSIX epochs. All systems where python works use the same Epoch: 1970-01-01 00:00:00 UTC – jfs Jul 10 '15 at 20:24 ...
https://stackoverflow.com/ques... 

Best way to do nested case statement logic in SQL Server

...tment: --Nested Case Complex Expression select datediff(dd,Invdate,'2009/01/31')+1 as DaysOld, case when datediff(dd,Invdate,'2009/01/31')+1 >150 then 6 else case when datediff(dd,Invdate,'2009/01/31')+1 >120 then 5 else case when datediff(dd,Invdate,'2009/01/31')+1...
https://stackoverflow.com/ques... 

The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value

...es of the object, including your uninitialized DateTime, which is set to 0001-01-01, which is outside of the range of SQL Server's DATETIME. Rather than using ApplyPropertyChanges, I'd suggest retrieving the object being modified, change the specific fields your form edits, then saving the object w...
https://bbs.tsingfun.com/thread-2087-1-1.html 

2024年12月1日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!

...的,如果您还未签到,请点此进行签到的操作. 我在 2024-12-01 07:12 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 14,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2024-12-01 08:11 完成...
https://bbs.tsingfun.com/thread-2141-1-1.html 

2025年1月1日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!

...成的,如果您还未签到,请点此进行签到的操作. 我在 2025-01-01 08:14 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 4,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2025-01-01 09:24 完...
https://bbs.tsingfun.com/thread-2227-1-1.html 

2025年3月1日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!

...的,如果您还未签到,请点此进行签到的操作. 我在 2025-03-01 00:33 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 9,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2025-03-01 08:16 完成...